folksonomies, ontologies and corporate blogging
DESCRIPTION
Blogtalk2007 (BlogTalk Reloaded) - details at http://apassant.net/publications/folksonomies-ontologies-and-corporate-bloggingTRANSCRIPT
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded1
Folksonomies,OntologiesandCorporateBlogging
Alexandre Passant – EDF R&D / LaLICCJean-David Sta – EDF R&DPhilippe Laublet – LaLICC
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded2
1
Corporate Blogging and Folksonomies
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded3
Information Process in Companies
• Formal information, reports …• Archives, search engines, diffusion process
• E-mails, coffee-break …• Scattered information• Restricted, closed diffusion and answering process• Information loss
• Idea• Use weblogs to store and exchange this unstructured – but often rich ! -
information· Used in an internal project at EDF R&D to share information between
researchers
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded4
Corporate Blogging and Folksonomies
• Post annotation
• Automated documentary meta-data (DublinCore terms)• Folksonomies and / or ontologies ?
• Folksonomies
• Experimenting a widely-used web practice• First-time use for our users• Quick adoption, both in searching and publishing
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded5
Visualizing the Folksonomy
• Tagcloud • Flash interface to browse tagsnetworks
• Latest posts for each tags• Navigate through different tags
networks
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded6
Statistics
• First year results
• 200 users, 50 regular bloggers• 4500 posts• 3700 tags• 22000 tags / items relationships (~5 tags / post)
• Tags analysis
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded7
2
Identifying and Solving Folksonomy Flaws
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded8
Folksonomy Flaws
• Tags redundancy and ambiguity
• Variation:· EDF, Électricité De France
• Ambiguity:· CNE: law or organisation ?
• Flat organisation of the folksonomy
• Related or suggested tags· “Austria”: what about “Vienna” ?
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded9
Linguistic Analysis of Tags Variations (1/2)
• Elision
• Reducing a compound word into one word:· “Electrical Network”, “Network”
• Synonymy
• One word· “Nuclear”, “Atomic”
• One component· “Wind pump”, “Wind turbine”
• Abbreviation
• Acronyms· “Électricité de France”, “EDF”
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded10
Linguistic Analysis of Tags Variations (2/2)
• Morphological variation
• One word· “Electric”, “Electrical”
• One component· “Heating system” “Heat system”
• Typographic variation
• Characters· “Wind pump”, “Windpump”, “Wind-pump”
• Errors
• Typographic or orthographic· “Weblog”, “Welbog”, “Webblog”
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded11
Completing and Suggesting Tags from Post Content
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded12
3
Going Further with the Semantic Web
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded13
A Few Words About the Semantic Web
• Semantic Web
• Extending the current Web• Unified description of resources
• Ontologies
• Representation of a domain• Common vocabulary
• Languages
• Modeling: RDF(S), OWL …• Querying: SPARQL …
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded14
Folksonomies and Ontologies
• Mixing both approaches
• Keep the open spirit of folksonomies• Use ontology layer as a formal way to represent data• Remove ambiguity and add meaning to tags
• How ?
• Link tags to domain ontology concepts• Create links between posts and ontology concepts using SIOC
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded15
From Tags to Ontology (1/5)
1) Create and tag post
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded16
From Tags to Ontology (2/5)
1) Create and tag post
2) Link tag to ontology
2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded17
From Tags to Ontology (3/5)
1) Create and tag post
2) Link tag to ontology
3) Link post to ontology
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From Tags to Ontology (4/5)
1) Create and tag post
2) Link tag to ontology
3) Link post to ontology
4) Create new post
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From Tags to Ontology (5/5)
1) Create and tag post
2) Link tag to ontology
3) Link post to ontology
4) Create new post
5) Infer related post
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A Semantic Search Engine
• Tags and concepts
• Find concept(s) and displayassociated tags
• Blog posts
• Display blog posts for searchedconcept
• Related posts
• Based on ontology relationships· Search for a country, list
all cities• Ability to create rules
· All companies located ina city
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New Ways to View Blog Posts
• Real resources
• Properties, relations …· Geolocation of posts tagged with a city name
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4
Conclusion and Discussion
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Conclusion
• Mixing folksonomies and ontologies• Keep simplicity of free tagging• Tags as real resources• Provide a better search interface for blog posts• Infer related posts / topics
• A real use-case• Adapt model and interfaces to users needs
• Future works• Information extraction from blog posts using ontologies• New ways to view and query blog posts